Apodaca, O. (1997). Cartel, price hike: No place in a liberalized oil industry. Manila Times.
Chicago Style (17. basım) AtıfApodaca, Odette. "Cartel, Price Hike: No Place in a Liberalized Oil Industry." Manila Times 1997.
MLA (9th ed.) AtıfApodaca, Odette. "Cartel, Price Hike: No Place in a Liberalized Oil Industry." Manila Times, 1997.
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